github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-01 11:03:43 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

drm/i915/psr: Check panel ALPM capability for eDP Panel Replay

Browse Source 
Our HW doesn't support Panel Replay without AUX_LESS ALPM on eDP. Check
panel support for this and prevent eDP panel replay if it doesn't exits.

Bspec: 68920

v3: remove excessive parens
v2: use intel_alpm_aux_less_wake_supported

Signed-off-by: Jouni Högander <jouni.hogander@intel.com>
Reviewed-by: Animesh Manna <animesh.manna@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240619062131.4021196-2-jouni.hogander@intel.com
This commit is contained in:
Jouni Högander 2024-06-19 09:21:21 +03:00
parent a441c0aca4
commit 897d29ce22
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/i915/display/intel_psr.c
View File

@ -571,6 +571,13 @@ static void _panel_replay_init_dpcd(struct intel_dp *intel_dp)
{
struct drm_i915_private *i915 = dp_to_i915(intel_dp);
if (intel_dp_is_edp(intel_dp) &&
!intel_alpm_aux_less_wake_supported(intel_dp)) {
drm_dbg_kms(&i915->drm,
"Panel doesn't support AUX-less ALPM, eDP Panel Replay not possible\n");
return;
}
intel_dp->psr.sink_panel_replay_support = true;
if (intel_dp->pr_dpcd & DP_PANEL_REPLAY_SU_SUPPORT)